Product Details
The Precision Low Carbon Steel Flat Washer is a precision-stamped component designed to provide stable support, accurate spacing, and reliable load distribution in mechanical assemblies, fixtures, and structural connections. Its clean profile and consistent thickness ensure dependable performance across various industrial applications.
Accurate Dimensions
Outer Diameter (OD): 4.718 in
Inner Diameter (ID): 4.062 in
Thickness: 0.08 in
This dimensional configuration offers an optimal balance of strength, rigidity, and ease of installation, ensuring consistent fitment across mating parts.
Material Options
Manufactured from low carbon steel, this washer can be made from multiple grades to suit engineering or cost requirements:
1010 / 1018 / 1020 / 1213 / 1215 per ASTM A659 (sheet)
Structural steel A36/A36M per ASTM A283 Grade C
These materials deliver good machinability, stable forming properties, and adequate tensile strength for general industrial use.
Protective Zinc Plating Finish
The washer is electro-zinc plated per ASTM B633 Type 1 for corrosion resistance and surface durability:
Minimum thickness: 3 μm
Recommended thickness: 5 μm
This protective layer enhances resistance to moisture, oxidation, and handling wear, making the washer suitable for long-term use in indoor and controlled outdoor environments.
Consistent Manufacturing Quality
Stamped and processed with controlled tooling
Maintains flatness, parallelism, and edge consistency
Uniform plating ensures stable performance under compressive loads or fastening torque
Typical Applications
Machinery and general industrial assembly
Structural connections
Equipment mounting interfaces
Automotive and mechanical hardware
Fixtures and support components requiring stable load distribution
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